Roller mop head



FIG. 1 is a front, left side perspective view of a roller mop head showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image of FIG. 3;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines in the drawings are for purposes of environment only and play no part in the ornamental design. 

The ornamental design for a roller mop head, as shown and described. 